<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            display: flex;
            width: 70%;
            height: 500px;
            background-color: pink;
            flex-wrap: wrap;
            justify-content: center;          
            align-content: space-between;
            
        }
        span{
             width: 20%;
             margin-right: 2%;           
             height: 100px;
             background-color: red;
        }
    </style>
</head>
<body>
    
    <div>
        <span>1</span>
        <span>2</span>
        <span>3</span>
        <span>4</span>
        <span>5</span>
        <span>6</span>
        <span>7</span>
        <span>8</span>
    </div>
</body>
</html>